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Guidebook writer: I have visited hotels throughout the

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Guidebook writer: I have visited hotels throughout the [#permalink] New post 27 Jun 2007, 06:13
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Guidebook writer: I have visited hotels throughout the country and have noticed that in
those built before 1930 the quality of the original carpentry work is generally superior to
that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically
worked with more skill, care, and effort than carpenters who have worked on hotels built
subsequently.
Which of the following, if true, most seriously weakens the guidebook writer’s
argument?
A. The quality of original carpentry in hotels is generally far superior to the quality
of original carpentry in other structures, such as houses and stores.
B. Hotels built since 1930 can generally accommodate more guests than those built
before 1930.
C. The materials available to carpenters working before 1930 were not significantly
different in quality from the materials available to carpenters working after 1930.
D. The better the quality of original carpentry in a building, the less likely that
building is to fall into disuse and be demolished.
E. The average length of apprenticeship for carpenters has declined significantly
since 1930.

Please explain ur answers..!
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 [#permalink] New post 27 Jun 2007, 07:01
for me is C because it makes a parallel comparison between two facts that would cause the work of carpenters to be different: the quality of materials remain the same
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Re: CR-Guidebook writer [#permalink] New post 27 Jun 2007, 07:36
[quote="circkit"]Guidebook writer: I have visited hotels throughout the country and have noticed that in
those built before 1930 the quality of the original carpentry work is generally superior to
that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically
worked with more skill, care, and effort than carpenters who have worked on hotels built
subsequently.
Which of the following, if true, most seriously weakens the guidebook writer’s
argument?
A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores. - Out of scope
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930. - does not make sense, but can be a choice
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930. - supports the writer
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished. strengthens the statement
E. The average length of apprenticeship for carpenters has declined significantly since 1930. - best choice
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 [#permalink] New post 27 Jun 2007, 08:19
D.
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 [#permalink] New post 27 Jun 2007, 08:29
A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
---out of scope
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
---out of scope
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
---strengthens the argument
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
---weakens by stating another reason why old hotels still exist
E. The average length of apprenticeship for carpenters has declined significantly since 1930.
---out of scope

D is the answer.
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 [#permalink] New post 27 Jun 2007, 20:07
"D" is the answer.

He is arguing that carpentry was superior before 1930. Choice D weakens this arguement because it demonstrates that houses built before 1930 that are still standing were of the best quality of those built before 1930. Poorly built houses built before 1930 were demolished and hence cannot be viewed by the writer.
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 [#permalink] New post 28 Jun 2007, 00:43
OA is D
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 [#permalink] New post 28 Jun 2007, 03:10
a late D.
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 [#permalink] New post 28 Jun 2007, 12:26
A) Irrelevant, we are not comparing carpentry of hotel to other structure.
B) Irrelevant - # of guests has nth to do with quality of carpentry
C) If anything, strengthen. if carpenter uses same material and quality differs, we are better able to correclate difference in quality to skill level of carpenter.
D) if better quality = low chance od demolishment. only high quality hotel will remain for a long time.
E) strengthen, provide reason why quality before and after 1930 differs.


D it is!
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 [#permalink] New post 28 Jun 2007, 12:57
D. Survivorship bias.
  [#permalink] 28 Jun 2007, 12:57
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